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Leica Screw Mount Copies Classic Leica Copy forum as listed in the book 300 Leica Copies, including but not limited to Nicca, Leotax, Honor, Canon etc. At one time there was a major part of the camera industry just trying to make a lower cost copy/dirivitive of the original Leica.

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Old 04-08-2013   #41
Bar8barian
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Old 04-08-2013   #42
dberger
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Chiyoko made a chrome 46mm screw-in hood (2-piece with series adapter) for the 50mm f1.8. They also made a similar 43mm job for the f2 lens. Of course, any 46mm screw-in or 48mm clamp-on hood will work on the f1.8.

Also, I wouldn't too much effort into lens coating color; it's like reading tea leaves. Optical houses refined their coating technology routinely, and, as reflected phenomena, coating "colors" depends on the color of light in the room. I doubt you can infer quality by a particular reflected color.


Cheers,

David
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Old 04-08-2013   #43
Heru Anggono
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I got this picture some time ago. Perhaps this is the first part of a complete hood, based on David information.



As for me, I use a Walz 46mm screw-on vented hood.
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Old 04-10-2013   #44
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Old 10-05-2013   #45
S-Rokkor
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Hi,

I know this topic is a few months old already, but I think I can provide some additional information.

Of the several 'normal' Super Rokkor lenses (45mm 1:2.8 / 5cm 1:2.8 / 5cm 1:2.0 / 5cm 1:1.8), only the 45mm does have a 'regular' hood, i.e. a one-piece hood.

All hoods for 5cm Super Rokkor lenses come in two parts: a ring that screws in the lens, and the hood itself that screws in the ring. This allows for a Series filter to be placed between the ring and the hood.

The hoods for the 5cm 1:2.8 and 1:2.0 are almost identical; but of course the ring is different (I don't have calipers on-hand, but I think the first is 41mm while the latter is 43mm).
The hood for the 5cm 1:1.8 is much larger, and it's painted black.

On the picture attached, you can see:
  • top left corner : ring & hood for the 5cm 1:1.8
  • top right corner : ring & hood for the 5cm 1:2.8
  • lower left corner : ring & hood for the 5cm 1:2.0
  • lower right corner : hood for the 45mm 1:2.8
About the production numbers for this lens: probably around 9,000 units.
Attached Images
File Type: jpg Super_Rokkor_hoods_web.jpg (82.1 KB, 60 views)
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Old 10-15-2013   #46
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My MINOLTA-35 MODEL II
Old 11-04-2013   #47
puderse
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My MINOLTA-35 MODEL II

Saw this thread last Thursday!

Dug out mine and ran a roll of WallyWorld ASA 200 color through it while walking in the garden, Sunday.

It's been so long I almost forgot how to work a camera with only three options; Shutter, aperture, & focus

Will get a CD back and let you know my humble opinion.
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Old 12-13-2013   #48
Bille
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Quote:
Originally Posted by puderse View Post
Saw this thread last Thursday!

Dug out mine and ran a roll of WallyWorld ASA 200 color through it while walking in the garden, Sunday.

It's been so long I almost forgot how to work a camera with only three options; Shutter, aperture, & focus

Will get a CD back and let you know my humble opinion.
Interested in your opinion... Any samples?
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Old 01-01-2014   #49
hilltime
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I have watched this thread for a long time and am now able to post my comments. Great lens, mine is #1201xxx, and has a metric scale mounted on a IIB, # 108xxx, but bought at separate times. One of my favorite Leica copy cameras after seeking for many years. Both of mine came through Hong Kong.
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Old 02-07-2014   #50
mretina
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managed eventually to find one #1301xxx (meters), together with a IIB, # 108xxx. Nice lens - agree it has a canon 50/1.4 and fujinon 50/2 feel. Will plan to shot a roll shortly. The camera is beautiful, although considering that it is a '56-57 looks less advanced than contemporary canons (VT)
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Old 03-26-2014   #51
Lightshow
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Picked up a 5cm/2 last year, which is quite nice.





Just bought a 5cm/1.8 this week, looking forward to trying it out.
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A7r & NEX-7
LTM:
Canon S: 28/2.8 35/2.8, 50/1.8, 50/1.2, 100/3.5
Chiyoko Super Rokkor 50/2, 50/1.8, 85/2.8
Fujinon L 50/2
Topcor 3.5cm/2.8
Topcor-S 50/2
Topcor 9cm/3.5
Industar 69(modded to LTM registration)
40/2.3 transplanted from a dead Rollei XF 35 into an Industar 50 M39 SLR lens, its now LTM.

Leica M:
CV15III
Elmarit 24 Aspherical, Elmarit 28 v2, Tele-Elmarit 90(Fat), Cron 90 APO Asph.
FrankenZeiss: Contax G 45/2 transplanted into a Rokkor MC 55/1.7 body with an M mount.

SLR:
Lots....
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Old 06-18-2014   #52
S-Rokkor
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Quote:
Originally Posted by Bar8barian View Post
Hello,
Many thanks for your photo's and information about the Minolta lens hoods for the various standard lenses.
I see that you think that the 50mm f1.8 production figure was around 9000 units.
This could very well be the case for the total production of this lens which was done in both LTM fitting (4000-5000 units) and Super-A fitting (4000-? units).
Hi,
I'm talking only about the LTM version only.
Unlike some other manufacturers like Leitz, Minolta never released official production numbers, so all we can do now is track serial numbers - not quite as accurate!
However, given a big enough sample, it can't be far from the truth. Also, it's consistent with the number of Minolta 35 IIB produced.

I don't have a big enough sample for Super-A lenses.


To all participants in this thread: I'll always looking for more serial numbers, so feel free to share these, here or in private if you prefer!

@Lightshow: I like the 5cm 1:2.0, it's a good lens overall, with some nice bokeh.
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optical glass & Chiyoda Kogaku
Old 07-18-2014   #53
wes loder
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optical glass & Chiyoda Kogaku

Just read this thread. Occupation records indicate that Chiyoda Kogaku's optical glass making capacity in the post-war period was 5 tons annually. By contrast, Nippon Kogaku (Nikon) had the capacity of 100 tons. So, they were probably melting their own glass for their own optics.
The first Minolta 35 is notorious for promoting the 24X32 format. The camera was sold in the post exchanges in 1949-1950, but whether this was after the camera was converted to an eight-sprocket advance is not known at this time. As others have noted, the camera was apparently never imported into the US, although the non-thread- mount Minoltas were. The roll-film Minoltas were far more important to the company than their 35mm model until the SR2 of 1958. WES
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Old 07-19-2014   #54
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I presume you mean only the trucncated frame Minolta's, because if the other Minolta 35's were never imported into the U.S., why have I seen thousands of them for sale over the last 10-15 years on eBay? I assume these were marketed here and not brought back by soldiers. BTW it's an excellent and generally underrated camera (if recently serviced). The faster of the 5cm LTM lenses made for it are quite excellent, the slower 45mm F2.8 is just a so-so performer, but a nicely made collectible for sure.

Of course this thread will probably lead to an upswing in prices for these lenses!
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Old 07-19-2014   #55
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Very nice shots, thanks for posting these. I used to own this lens and had similar excellent results.


Quote:
Originally Posted by Lightshow View Post
Picked up a 5cm/2 last year, which is quite nice.





Just bought a 5cm/1.8 this week, looking forward to trying it out.
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Canon L1, Leotax S, Bessa R2C, Konica Autoreflex, Canon FX, Pentax Spotmatic, Minolta SRT-101, Nikon F, Exakta VX, Miranda Automex II, Leotax K3, Yashica Mat LM, Leotax S, Pen FT, Rollei 35S, Ricoh Singlex TLS, Kowa Six, Pentax K1000, Canonflex, Praktina, Voigtlander R2C

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Old 08-09-2014   #56
S-Rokkor
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Hi all,

Wes, what you are saying is very interesting, thank you! Are these Occupation records available to the public?
Minolta opened the Itami plant for making optical glass at some point during WW2, so it makes sense that the capacity of that plant would be somewhat limited right after the war.

About the import of Minolta-35 rangefinders in the USA: I'm pretty sure these were unofficially imported (i.e. by 3rd party dealers) after the war.
It was also in PX.
In any case, this market was big enough that Minolta made an English language version of the user manual.

About the lenses: there is a very, very rare 3,5cm 1:3.5 Super Rokkor for sale on eBay right now (http://www.ebay.com/itm/281405233167).
I wonder how much this will go for? This is not easy to find at all, and the accessories are also are to find (there's the lens cap, and also the viewfinder).
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Old 08-09-2014   #57
S-Rokkor
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My mistake, that 3,5cm is not the LTM version, but the equally rare Super A version!
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Old 09-01-2014   #58
Lightshow
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Quote:
Originally Posted by David Murphy View Post
Very nice shots, thanks for posting these. I used to own this lens and had similar excellent results.
Thanks, I quit like it, I recently picked up the 50/1.8 & 85/2.8, both in LTM, I haven't had much time to use them, I have too many lenses in front of them.
__________________
A7r & NEX-7
LTM:
Canon S: 28/2.8 35/2.8, 50/1.8, 50/1.2, 100/3.5
Chiyoko Super Rokkor 50/2, 50/1.8, 85/2.8
Fujinon L 50/2
Topcor 3.5cm/2.8
Topcor-S 50/2
Topcor 9cm/3.5
Industar 69(modded to LTM registration)
40/2.3 transplanted from a dead Rollei XF 35 into an Industar 50 M39 SLR lens, its now LTM.

Leica M:
CV15III
Elmarit 24 Aspherical, Elmarit 28 v2, Tele-Elmarit 90(Fat), Cron 90 APO Asph.
FrankenZeiss: Contax G 45/2 transplanted into a Rokkor MC 55/1.7 body with an M mount.

SLR:
Lots....
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Old 09-01-2014   #59
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Really like the first one, especially the oof areas- it's wonderful.
Darya
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Old 09-01-2014   #60
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I was referring to the photos from the M8 by IEDEI!
Darya
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Old 07-10-2015   #61
John Beach
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Here are pictures I took using the Chiyoko Kogaku Super Rokkor 5cm, f/1.8 @ f/1.8 on my Leica M-240: https://www.facebook.com/groups/113969980323/
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Old 08-20-2015   #62
garygraphy
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Anyone knows if the glass can be swapped from the Super A version of the Super Rokkor 1.8 to the LTM version?

It should be the same elements?

Thanks for any help.
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Old 04-23-2017   #63
Lightshow
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I would think they're the same, I would think the optical block is identical, from the back, the first ring holds the optics to the helicoid/mount.

As a side note, I just repaired my 5cm/1.8 and think it would be useful to post what I found out, a while ago, I tried to unscrew a LTM to M mount adapter off the lens, and it was a bit stubborn to come off, I ended up using more force than I expected on the focus ring and it became hard to focus, I assumed that I had bent the guide rail that keeps the optics from spinning when you turn the focus ring, I was sort of right, this lens has a different construction than most lenses I've worked on, anyways, there is a rail/tab, and I did bend it, but it only stops the helicoid from turning too far and unscrewing the mount/helicoid off the rest of the helicoid/body & optics, it is definitely a weak point, I advise not using the focus ring to tighten/loosen the lens off the camera/adapter, the filter ring may be a better option(use caution, I am not 100% sure it's robust, but it does seem better than the small brass tab/rail that I bent.
__________________
A7r & NEX-7
LTM:
Canon S: 28/2.8 35/2.8, 50/1.8, 50/1.2, 100/3.5
Chiyoko Super Rokkor 50/2, 50/1.8, 85/2.8
Fujinon L 50/2
Topcor 3.5cm/2.8
Topcor-S 50/2
Topcor 9cm/3.5
Industar 69(modded to LTM registration)
40/2.3 transplanted from a dead Rollei XF 35 into an Industar 50 M39 SLR lens, its now LTM.

Leica M:
CV15III
Elmarit 24 Aspherical, Elmarit 28 v2, Tele-Elmarit 90(Fat), Cron 90 APO Asph.
FrankenZeiss: Contax G 45/2 transplanted into a Rokkor MC 55/1.7 body with an M mount.

SLR:
Lots....
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Old 05-24-2017   #64
FUJINON
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Very interesting thread.I had a 5cm f1.8 Super- Rokkor lens, a few years ago, it was an excellent lens.
I now use the 5cm f2 and 5cm f1.4 Nikkors.
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Old 07-07-2017   #65
Ernst Dinkla
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The Super Rokkor 50mm 1.8 has an Ultron design, information based on Cox's Photographic Optics and the diagram shown in this thread. Similar design is used for Schneider Xenons, some Rokkor PFs, Takumars 55mm, Summicron 90mm 2.0. F.Zuiko 38mm 1.8. and many more but no Zeiss one and not named Planar either.
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Old 04-26-2018   #66
foox
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Hello,
One another review about Chiyoda Kogaku 50mm F1.8. Hope it can give a little bit more information about behavior of this lens
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